<template>
  <div class="wrapper">
    <div style="margin: 200px auto;background-color: #fff;width: 350px;height: 300px;padding: 20px;border-radius: 10px">
      <div style="margin: 20px 0;text-align: center;font-size: 24px"><b>登录</b></div>
      <el-form :model="user" :rules="rules" ref="userForm">
        <el-form-item prop="username">
          <el-input size="medium" style="margin: 10px 0" prefix-icon="el-icon-user"
                    v-model="user.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input size="medium" style="margin: 10px 0" prefix-icon="el-icon-lock" show-password
                    v-model="user.password"></el-input>
        </el-form-item>
        <div style="margin: 10px 0;text-align: right">
          <el-button type="primary" size="small" autocomplete="off" @click="login">登录</el-button>
          <el-button type="warning" size="small" autocomplete="off" @click="$router.push('/register')">注册</el-button>
        </div>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    return {
      user: {},
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
          {min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur'}
        ],
      }
    }
  },
  methods: {
    login() {
      this.$refs['userForm'].validate((valid) => { //先在前端校验登录信息是否合法 不合法不发请求
        if (valid) {  // 表单校验合法
          this.request.post("user/login", this.user).then(res => {
            if (res.code==='200') {
              localStorage.setItem('user',JSON.stringify(res.data))
              this.$message.success("登录成功")
              this.$router.push("/")
            } else {
              this.$message.error(res.msg)
            }
          })
        } else {
           return false;
        }
      });

    },
  }
}
</script>

<style scoped>
.wrapper {
  height: 100vh;
  background-image: linear-gradient(to bottom right, #FC4668, #3F5EFB);
  overflow: hidden;
}
</style>